CVE-2026-9742

EUVD-2026-35860
When OIDC authentication is enabled in configuration, clients may set specific values in the "mechanism" parameter of the "authenticate" command that lead to server crash. The authenticate command is accessible to unauthenticated clients, leading to pre-auth denial-of-service in affected product configurations.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
7.5 HIGH
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 27%
Affected Products (NVD)
VendorProductVersion
mongodbmongodb
8.2.0 ≤
𝑥
< 8.2.10
mongodbmongodb
8.3.0 ≤
𝑥
< 8.3.3
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://jira.mongodb.org/browse/SERVER-124183